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A technology of predetermined direction and covering part, applied in the field of cartridges, can solve the problems of complicated structure of developing cartridges, etc., and achieve the effect of simple structure

Active Publication Date: 2016-08-31
BROTHER KOGYO KK
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0007] Therefore, the structure of the information for judging the mounted developing cartridge is complicated

Method used

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no. 3 approach

[0338] refer to Figure 16 and Figure 17 The developer cartridge 150 of the third embodiment will be described. In addition, in 3rd Embodiment, the same code|symbol is attached|subjected to the same member as said 1st Embodiment, and the description is abbreviate|omitted.

[0339] (1) Outline of the third embodiment

[0340] In the first embodiment described above, the driving force input to the development coupling portion 61 is transmitted to the new product detection gear 82 via the agitator shaft 16 .

[0341] In contrast, in the third embodiment, as Figure 16 and Figure 17 As shown, the driving force input to the development coupling portion 61 is transmitted to the new product detection gear 82 via the development roller 11 as an example of a rotating member having the development roller shaft 30 . The developing roller 11 is centered on the central axis A3 of the developing roller shaft 30 (for an example of the first axis and the second axis, refer to Figure ...

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Abstract

The present invention provides a cartridge capable of detecting cartridge information with a simple structure. The cartridge includes: a developing roller configured to rotate about a first axis extending in a predetermined direction for carrying developer; a developing electrode made of a conductive member configured to be electrically connected to the developing roller, The developing electrode has a main body and a protrusion protruding from the main body in the predetermined direction; a first exposing portion exposing the protruding portion and a first covering portion covering the protruding portion; In the object to be detected, the end edge on the one side of the predetermined direction of the protrusion is arranged so as to be aligned with the end edge on the one side of the predetermined direction of the cover when projected in a direction perpendicular to the predetermined direction. coincide.

Description

technical field [0001] The present invention relates to a cartridge installed in an image forming apparatus employing electrophotography. Background technique [0002] As an electrophotographic printer, there is known a printer including a photoreceptor and a developing cartridge for supplying a developer to the photoreceptor. [0003] In this type of printer, there is a new-product detection device for judging information on a mounted developer cartridge (for example, whether the developer cartridge is a new product, etc.). [0004] For example, a laser printer has been proposed in which an abutment protrusion abutting against an actuator in the main body casing is provided on a detection gear rotatably provided in the developing cartridge, and when the developing cartridge is mounted to the main body casing, The detection gear is driven to rotate, and the actuator is oscillated by the abutment protrusion. At the same time, the optical sensor detects the oscillating moveme...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G21/18G03G15/00
CPCG03G15/0863G03G21/1867G03G21/1896G03G21/1604G03G15/0896G03G21/1652
Inventor 板桥奈绪神村直哉
Owner BROTHER KOGYO KK
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